%text-limit{
    overflow: hidden;
    white-space: nowrap;
    text-overflow:ellipsis;
}
  
  %clear{
    display:block; 
    clear:both; 
    visibility:hidden; 
    height:0; 
    content:"";
  }
  
  %img-bg{
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
  }
  
  %login-btn{
    width: 690rpx;
    height: 94rpx;
    text-align: center;
    line-height: 94rpx;
    background-color: #186ee2;
    color: #fff;
    font-size: 36rpx;
    border-radius: 8rpx;
  }
  
  %loading{
    color: #666;  
    display: inline-block;
    animation: rotate 3s linear infinite;
  }
  
  @keyframes rotate{from{transform: rotate(0deg)}
    to{transform: rotate(359deg)}
  }
  
  i.icon-jiazai{
   @extend %loading; 
  }
  
  %banner-bg{
      width: 100%;
      height: 100%;
      font-size: 40rpx;
      text-align: center;
  }
  